Green sea urchin
This small, round sea urchin is (unsurprisingly!) green in colour and can be found on rocky shores around the UK.
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Chwilio
Phosphorescent sea pen
This colonial creature looks like an old-fashioned quill - that's where the name sea pen comes from.
Porbeagle shark
The porbeagle shark is a member of the shark family Lamnidae, making it one of the closest living relatives of the great white shark.
Welsh Language Walks
At The Wildlife Trust of South & West Wales, we’re passionate about using the Welsh language to connect people with Welsh wildlife. Whatever your ability, we have a range of events where you can learn more about wildlife in Welsh.
Deep-water corals
The skeletons of deep-water corals form mounds that can support over 1,000 species of invertebrates and fish.
Bullhead
Living up to its name, the bullhead has a characteristically large, flattened head and a tapering body. Look out for it in fast-flowing, stony rivers and streams.
Black sea bream
The black sea bream really is a fascinating fish. From sex changes to nest building, this fish is full of surprises!
Lightbulb sea squirt
The lightbulb sea squirt is common around much of the UK. Its easy to see where its name came from!
Long legs, short lives
Insect expert Ben Keywood from Sheffield and Rotherham Wildlife Trust takes a closer look at craneflies.
Long live the ‘King of Fish’
Atlantic salmon are drifting towards extinction, but we can help them leap back from the brink.
Sentinels of the Sea - Skomer Island
Sentinels of the Sea; Skomer Island Project Highlights
Sea mat
These mat like growths found on kelp and seaweed are actually colonies of tiny individuals animals.